--!A cross-platform build utility based on Lua
--
-- Licensed under the Apache License, Version 2.0 (the "License");
-- you may not use this file except in compliance with the License.
-- You may obtain a copy of the License at
--
--     http://www.apache.org/licenses/LICENSE-2.0
--
-- Unless required by applicable law or agreed to in writing, software
-- distributed under the License is distributed on an "AS IS" BASIS,
-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-- See the License for the specific language governing permissions and
-- limitations under the License.
--
-- Copyright (C) 2015-present, TBOOX Open Source Group.
--
-- @author      ruki
-- @file        find_ifort.lua
--

-- imports
import("lib.detect.find_program")
import("lib.detect.find_programver")

-- find ifort
--
-- @param opt   the argument options, e.g. {version = true}
--
-- @return      program, version
--
-- @code
--
-- local ifort = find_ifort()
-- local ifort, version, hintname = find_ifort({program = "ifort", version = true})
--
-- @endcode
--
function main(opt)
    opt = opt or {}
    if is_host("windows") then
        -- find program
        opt.check = opt.check or function (program) os.runv(program, {"/help"}, {envs = opt.envs}) end
        local program = find_program(opt.program or "ifort.exe", opt)

        -- find program version
        local version = nil
        if program and opt and opt.version then
            opt.command = opt.command or function () local _, info = os.iorunv(program, {"/help"}, {envs = opt.envs}); return info end
            opt.parse   = opt.parse or function (output) return output:match("Version (%d+%.?%d*%.?%d*.-)%s") end
            version     = find_programver(program, opt)
        end
        return program, version
    else
        -- find program
        local program = find_program(opt.program or "ifort", opt)

        -- find program version
        local version = nil
        if program and opt.version then
            version = find_programver(program, opt)
        end
        return program, version
    end
end
